New Intake Valve

  • Rick H.
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New Intake Valve

23 Jul 2021 11:39 - 23 Jul 2021 11:40
#852369
I decided now would be a good time to increase the intake valve size on my KZ-1000 and ordered new ones.  They are coming in one at a time though.  Here is the first one.  What do you think, will it be big enough?    Rick H.
Rick H.

1977 Kawasaki KZ-1000A1
Last edit: 23 Jul 2021 11:40 by Rick H..

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  • Mikaw
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Re: New Intake Valve

23 Jul 2021 13:45
#852376
I think your good on the head size but that stem length is really gonna challenge your ability to lash it correctly! 
[img


At one point in time I had a valve out of a locomotive engine. It had about a 5” head diameter. It was a cool coffee table conversation starter. 
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
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  • zed1015
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Re: New Intake Valve

23 Jul 2021 15:16
#852382
Probably best used with reduced base circle cams.
AIR CORRECTOR JETS FOR VM CARBS AND ETHANOL RESISTANT VITON CHOKE PLUNGER SEAL REPLACMENT FOR ALL CLASSIC AND MODERN MOTORCYCLE CARBURETTORS
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  • urankjj
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Re: New Intake Valve

23 Jul 2021 15:41
#852383
I think if you whittle it down a bit, she'll drop right in.  
[img

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  • DOHC
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Re: New Intake Valve

23 Jul 2021 16:20
#852385
wrote:
....she'll drop right in.  

Drop right in to the cylinder? Is that one of those fancy pistons with a really short skirt?
'78 Z1-R in blue , '78 Z1-R in black, '78 Z1-R in pieces
My dad's '74 Z1
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  • 750 R1
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Re: New Intake Valve

23 Jul 2021 16:42 - 23 Jul 2021 16:42
#852386
wrote:
wrote:
....she'll drop right in.  

Drop right in to the cylinder? Is that one of those fancy pistons with a really short skirt?
 I like "really short skirts".....
[img
Last edit: 23 Jul 2021 16:42 by 750 R1.

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  • urankjj
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Re: New Intake Valve

23 Jul 2021 18:20
#852397
You would obviously have to use a lot more assembly lube. 

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